Swelling and hardening of the neck muscles is a clinical condition caused by myositis ossificans disease. Myositis ossificans is a disease of muscle sclerosis, toe and bunion deformities caused by the deposition of progressive bony structures in the muscles and connective tissues. The etiology is unclear. It is partly autosomal dominant. It is common in children or young adults. It presents with a deformed congenital oblique neck, torsion and swelling and stiffening of the neck muscles, but most are not painful. The whole body muscles can be involved. Strenuous exercise or trauma can cause muscle rupture, hemorrhage and hematoma formation, which in most patients is resorbed, but can be followed by muscle stiffness and ossification, eventually leading to stiffness and disability of the corresponding joint of the affected muscle. Diet and care for swollen and hardened neck muscles: 1. 2.Living care Ensure sleep: Maintain adequate sleep, which is good for controlling hypertension. The ward environment should be comfortable, neat and tidy, and keep quiet. It is conducive to adequate sleep for patients. Close the doors and windows, draw the curtains, and reduce the company before the patient goes to bed, so that the patient can rest and sleep better. Keep the bowel movement smooth: prevent constipation, eat coarse fiber food, bananas and honey water reasonably every day. Do not use excessive force during defecation, develop the habit of regular defecation, and use laxatives if necessary.